Home Builders Association of Delaware
- Represents new home residential construction, remodeling, and suppliers and services to home owners
- http://www.hbade.org/

Regional Builders Inc.
- Project management company specializing in pre-engineered metal buildings, along with a maintenance division for warehouse dock, doors and levelers. Located in Seaford, serving the Eastern US.
- http://www.regionalbuilders.com/

Kirk Plumbing
- Based in Wilmington, with locations in Newark, and Dover, industrial, commercial and residential, plumbing supply.
- http://www.kirksupply.com/

All-Span Inc.
- Light gauge steel truss system supplier; systems include pre-fabricated trusses, truss-to-bearing connections, truss-to-truss connections and permanent lateral bracing. Serving the Mid-Atlantic Region, located in Bridgeville, Delaware
- http://www.allspaninc.com/